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Hex Nut, Grade 8,1/4-20, PK100

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Price: $7.79 / pkg. of 100

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Typically in Stock
  • Item # 3HDZ2
  • Mfr. Model # U04122.025.0001
  • UNSPSC # 31161727
  • Catalog Page # 2801
  • Shipping Weight 0.73 lbs.
Country of Origin TaiwanCountry of Origin is subject to change.

Technical Specs

  • ItemHex Nut
  • TypeFull
  • MaterialCarbon Steel
  • FinishYellow Zinc-Plated
  • Grade8
  • Thread Size1/4-20
  • Thread TypeUNC
  • Thread DirectionRight Hand
  • Width7/16"
  • Height7/32"
  • Rockwell HardnessC33 to C39
  • Meets/ExceedsASME B18.2.2/ SAE J995

Compliance and Restrictions

None

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Product Q&A

(1 Question : 1 Answer)

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1 answer

how long?

the description gives dimensions for every measurement except for the most important one, the length of the threads.
1 year, 11 months ago
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Answers

Answer: 
Part number 3HDZ2 is a hex nut, which means that the inside diameter will be ¼ inch with 20 threads per inch. This is the UNC (Unified National Course) thread specification. The outer dimension on the nut; measured from across the nut from “flat” to “flat” will be 7/16 inch. (This will also be the size of the wrench or socket used) The height will be 7/32 of an inch. There is no specification for “length” of the tread, as it is not applicable. However, if you are looking for a bolt or hex head cap screw, those are measured with a length specification. Please consider calling Grainger at 1-888-361-8649 to obtain assistance in selecting the proper version.
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